#! /bin/bash

#获取终端输入内容  -p 输出提示字符串
read -p "input a chat:" ch

if [ $ch -ge 5 ];then
    echo "number 大于5"
fi
# if [ 4 -lt 3 ];then
#     echo "2小于3"
# elif [ "abc"="abc" ];then
#     echo "fasdf"
# fi